
Nederland serves as the hub of this 1940s landscape, situated at the confluence of Middle Boulder Creek and the Barker Reservoir. The map reveals an intricate network of silver and tungsten mining heritage, with high-altitude sites like the Bluebird Mine, Conger Mine, and the silver camp at Caribou. This era shows the region's industrial transition, where early 20th-century mining infrastructure sits alongside the critical water management systems of the Lakewood Reservoir and Barker Reservoir.
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2 editions found
1899 · West Denver
USGS Topo · 1:125,000
1902 · Boulder
USGS Topo · 1:62,500
1904 · Boulder
USGS Topo · 1:62,500
1905 · Central City
USGS Topo · 1:62,500
1906 · Blackhawk
USGS Topo · 1:62,500
1910 · Central City
USGS Topo · 1:62,500
1912 · Central City
USGS Topo · 1:62,500
1915 · Longs Peak
USGS Topo · 1:125,000
1919 · Rocky Mountain National Park
USGS Topo · 1:125,000
1942 · Nederland
USGS Topo · 1:24,000